ML15219A667
| ML15219A667 | |
| Person / Time | |
|---|---|
| Site: | River Bend  |
| Issue date: | 09/04/2015 |
| From: | Sharp W NRC/NRO/DSEA/RHMB |
| To: | |
| Sharp W | |
| References | |
| Download: ML15219A667 (3) | |
Text
River Bend, Unit 1 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reference Design Basis Hazard Elevation Local Intense Precipitation Unit 1 96.0 ft MSL Not applicable 96.0 ft MSL FHRR Table 4.1-1 Unit 2 80.3 ft MSL Not applicable 80.3 ft MSL FHRR Table 4.1-1 Failure of Dams and Onsite Water Control/Storage Structures No impact on the site identified No impact on the site identified No impact on the site identified FHRR Table 4.1-1 Streams and Rivers West Creek PMF 94.3 ft MSL Not applicable 94.3 ft MSL FHRR Table 4.1-4 Mississippi River 54.5 ft MSL Not applicable 54.5 ft MSL FHRR Table 4.1-1 Grants Bayou 101.8 ft MSL Not applicable 101.8 ft MSL FHRR Table 4.1-1 Storm Surge No impact on the site identified No impact on the site identified No impact on the site identified FHRR Table 4.1-1 Seiche No impact on the site identified No impact on the site identified No impact on the site identified FHRR Table 4.1-1 Tsunami No impact on the site identified No impact on the site identified No impact on the site identified FHRR Table 4.1-1
River Bend, Unit 1 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reference Design Basis Hazard Elevation Note: Reported values are rounded to the nearest one-tenth of a foot.
Ice-Induced Flooding No impact on the site identified No impact on the site identified No impact on the site identified FHRR Table 4.1-1 Channel Migrations/Diversions No impact on the site identified No impact on the site identified No impact on the site identified FHRR Table 4.1-1
River Bend, Unit 1 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reevaluated Hazard Elevation Reference Note 2: Reevaluated hazard mechanisms bounded by the current design basis (see Table 1) are not included in this table.
Note 3: Reported values are rounded to the nearest one-tenth of a foot.
Local Intense Precipitation 98.3 ft MSL Minimal 98.3 ft MSL FHRR Tables 4.1-1, 4.1-2 & 4.1-3 Unit 1 Streams and Rivers 95.1 ft MSL Not applicable 95.1 ft MSL FHRR Table 4.1-4 West Creek PMF 59.7 ft MSL Not applicable 59.7 ft MSL FHRR Table 4.1-1 Mississippi River Note 1: The licensee is expected to develop flood event duration parameters and applicable flood associated effects to conduct the MSA. The staff will evaluate the flood event duration parameters (including warning time and period of inundation) and flood associated effects during its review of the MSA.